Watch List notes:

Mukden Bank of Industrial Development Trial Color Back Proof Pair. Mukden Bank of Industrial Development Trial Color Back Proof Pair.China, 1918-1919 Bond issue. 1918. P-S1323, $1 Bond proof in blue and m/c but issued in green and m/c; P-S1325, $10 Bond proof in olive green and m/c but issued in brown and m/c. Both are printed on india paper. Small pieces are missing from the corner of the $10 note from previous mounting. AU to uncirculated but the $10 has a 1 inch tear on the right middle margin. Each note is unique in archive. Both have archival production notation of colors chooses and date, ABNC.

Estimate: 1900-3900 HKD